Home / 8,130.04-11,218.87-4,726.72

Finding the Fourth Proportional to 8,130.04, 11,218.87 and 4,726.72

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Solution

The fourth proportional to 8,130.04, 11,218.87 and 4,726.72 is: 6,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.04 : 11,218.87 = 4,726.72 : x
  2. Step 2: Convert to fraction form
    8,130.04/11,218.87 = 4,726.72/x
  3. Step 3: Cross multiply
    8,130.04x = 11,218.87 × 4,726.72
  4. Step 4: Simplify right side
    8,130.04x = 53,028,457.21
  5. Step 5: Solve for x
    x = 53,028,457.21/8,130.04
  6. Step 6: Final answer
    x = 6,522.53

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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.