Home / 9,337.02-12,885.12-5,145.30

Finding the Fourth Proportional to 9,337.02, 12,885.12 and 5,145.30

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Solution

The fourth proportional to 9,337.02, 12,885.12 and 5,145.30 is: 7,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.02 : 12,885.12 = 5,145.30 : x
  2. Step 2: Convert to fraction form
    9,337.02/12,885.12 = 5,145.30/x
  3. Step 3: Cross multiply
    9,337.02x = 12,885.12 × 5,145.30
  4. Step 4: Simplify right side
    9,337.02x = 66,297,807.94
  5. Step 5: Solve for x
    x = 66,297,807.94/9,337.02
  6. Step 6: Final answer
    x = 7,100.53

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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.