Home / 7,455.02-10,288.17-4,098.02

Finding the Fourth Proportional to 7,455.02, 10,288.17 and 4,098.02

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Solution

The fourth proportional to 7,455.02, 10,288.17 and 4,098.02 is: 5,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.02 : 10,288.17 = 4,098.02 : x
  2. Step 2: Convert to fraction form
    7,455.02/10,288.17 = 4,098.02/x
  3. Step 3: Cross multiply
    7,455.02x = 10,288.17 × 4,098.02
  4. Step 4: Simplify right side
    7,455.02x = 42,161,126.42
  5. Step 5: Solve for x
    x = 42,161,126.42/7,455.02
  6. Step 6: Final answer
    x = 5,655.40

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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.