Home / 7,557.97-10,428.12-4,720.95

Finding the Fourth Proportional to 7,557.97, 10,428.12 and 4,720.95

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Solution

The fourth proportional to 7,557.97, 10,428.12 and 4,720.95 is: 6,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.97 : 10,428.12 = 4,720.95 : x
  2. Step 2: Convert to fraction form
    7,557.97/10,428.12 = 4,720.95/x
  3. Step 3: Cross multiply
    7,557.97x = 10,428.12 × 4,720.95
  4. Step 4: Simplify right side
    7,557.97x = 49,230,633.11
  5. Step 5: Solve for x
    x = 49,230,633.11/7,557.97
  6. Step 6: Final answer
    x = 6,513.74

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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.