Home / 8,729.84-12,038.91-6,737.24

Finding the Fourth Proportional to 8,729.84, 12,038.91 and 6,737.24

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Solution

The fourth proportional to 8,729.84, 12,038.91 and 6,737.24 is: 9,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.84 : 12,038.91 = 6,737.24 : x
  2. Step 2: Convert to fraction form
    8,729.84/12,038.91 = 6,737.24/x
  3. Step 3: Cross multiply
    8,729.84x = 12,038.91 × 6,737.24
  4. Step 4: Simplify right side
    8,729.84x = 81,109,026.01
  5. Step 5: Solve for x
    x = 81,109,026.01/8,729.84
  6. Step 6: Final answer
    x = 9,291.01

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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.