Home / 7,127.10-10,666.35-6,252.30

Finding the Fourth Proportional to 7,127.10, 10,666.35 and 6,252.30

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Solution

The fourth proportional to 7,127.10, 10,666.35 and 6,252.30 is: 9,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.10 : 10,666.35 = 6,252.30 : x
  2. Step 2: Convert to fraction form
    7,127.10/10,666.35 = 6,252.30/x
  3. Step 3: Cross multiply
    7,127.10x = 10,666.35 × 6,252.30
  4. Step 4: Simplify right side
    7,127.10x = 66,689,220.11
  5. Step 5: Solve for x
    x = 66,689,220.11/7,127.10
  6. Step 6: Final answer
    x = 9,357.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.