Home / 6,455.02-9,686.22-5,372.50

Finding the Fourth Proportional to 6,455.02, 9,686.22 and 5,372.50

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Solution

The fourth proportional to 6,455.02, 9,686.22 and 5,372.50 is: 8,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.02 : 9,686.22 = 5,372.50 : x
  2. Step 2: Convert to fraction form
    6,455.02/9,686.22 = 5,372.50/x
  3. Step 3: Cross multiply
    6,455.02x = 9,686.22 × 5,372.50
  4. Step 4: Simplify right side
    6,455.02x = 52,039,216.95
  5. Step 5: Solve for x
    x = 52,039,216.95/6,455.02
  6. Step 6: Final answer
    x = 8,061.82

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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.