Home / 8,218.16-11,341.14-4,681.40

Finding the Fourth Proportional to 8,218.16, 11,341.14 and 4,681.40

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Solution

The fourth proportional to 8,218.16, 11,341.14 and 4,681.40 is: 6,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.16 : 11,341.14 = 4,681.40 : x
  2. Step 2: Convert to fraction form
    8,218.16/11,341.14 = 4,681.40/x
  3. Step 3: Cross multiply
    8,218.16x = 11,341.14 × 4,681.40
  4. Step 4: Simplify right side
    8,218.16x = 53,092,412.80
  5. Step 5: Solve for x
    x = 53,092,412.80/8,218.16
  6. Step 6: Final answer
    x = 6,460.38

Related Problems

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.