Home / 9,126.28-12,582.85-7,616.02

Finding the Fourth Proportional to 9,126.28, 12,582.85 and 7,616.02

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Solution

The fourth proportional to 9,126.28, 12,582.85 and 7,616.02 is: 10,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.28 : 12,582.85 = 7,616.02 : x
  2. Step 2: Convert to fraction form
    9,126.28/12,582.85 = 7,616.02/x
  3. Step 3: Cross multiply
    9,126.28x = 12,582.85 × 7,616.02
  4. Step 4: Simplify right side
    9,126.28x = 95,831,237.26
  5. Step 5: Solve for x
    x = 95,831,237.26/9,126.28
  6. Step 6: Final answer
    x = 10,500.58

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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.