Home / 7,412.48-10,227.50-4,429.28

Finding the Fourth Proportional to 7,412.48, 10,227.50 and 4,429.28

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Solution

The fourth proportional to 7,412.48, 10,227.50 and 4,429.28 is: 6,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.48 : 10,227.50 = 4,429.28 : x
  2. Step 2: Convert to fraction form
    7,412.48/10,227.50 = 4,429.28/x
  3. Step 3: Cross multiply
    7,412.48x = 10,227.50 × 4,429.28
  4. Step 4: Simplify right side
    7,412.48x = 45,300,461.20
  5. Step 5: Solve for x
    x = 45,300,461.20/7,412.48
  6. Step 6: Final answer
    x = 6,111.38

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Half 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.