Home / 8,697.24-12,002.16-4,718.28

Finding the Fourth Proportional to 8,697.24, 12,002.16 and 4,718.28

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Solution

The fourth proportional to 8,697.24, 12,002.16 and 4,718.28 is: 6,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.24 : 12,002.16 = 4,718.28 : x
  2. Step 2: Convert to fraction form
    8,697.24/12,002.16 = 4,718.28/x
  3. Step 3: Cross multiply
    8,697.24x = 12,002.16 × 4,718.28
  4. Step 4: Simplify right side
    8,697.24x = 56,629,551.48
  5. Step 5: Solve for x
    x = 56,629,551.48/8,697.24
  6. Step 6: Final answer
    x = 6,511.21

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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.