Home / 9,237.10-12,742.77-6,715.30

Finding the Fourth Proportional to 9,237.10, 12,742.77 and 6,715.30

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Solution

The fourth proportional to 9,237.10, 12,742.77 and 6,715.30 is: 9,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.10 : 12,742.77 = 6,715.30 : x
  2. Step 2: Convert to fraction form
    9,237.10/12,742.77 = 6,715.30/x
  3. Step 3: Cross multiply
    9,237.10x = 12,742.77 × 6,715.30
  4. Step 4: Simplify right side
    9,237.10x = 85,571,523.38
  5. Step 5: Solve for x
    x = 85,571,523.38/9,237.10
  6. Step 6: Final answer
    x = 9,263.89

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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.