Home / 9,428.20-13,010.02-5,448.76

Finding the Fourth Proportional to 9,428.20, 13,010.02 and 5,448.76

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Solution

The fourth proportional to 9,428.20, 13,010.02 and 5,448.76 is: 7,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.20 : 13,010.02 = 5,448.76 : x
  2. Step 2: Convert to fraction form
    9,428.20/13,010.02 = 5,448.76/x
  3. Step 3: Cross multiply
    9,428.20x = 13,010.02 × 5,448.76
  4. Step 4: Simplify right side
    9,428.20x = 70,888,476.58
  5. Step 5: Solve for x
    x = 70,888,476.58/9,428.20
  6. Step 6: Final answer
    x = 7,518.77

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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.