Home / 8,713.32-12,030.60-5,360.64

Finding the Fourth Proportional to 8,713.32, 12,030.60 and 5,360.64

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Solution

The fourth proportional to 8,713.32, 12,030.60 and 5,360.64 is: 7,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.32 : 12,030.60 = 5,360.64 : x
  2. Step 2: Convert to fraction form
    8,713.32/12,030.60 = 5,360.64/x
  3. Step 3: Cross multiply
    8,713.32x = 12,030.60 × 5,360.64
  4. Step 4: Simplify right side
    8,713.32x = 64,491,715.58
  5. Step 5: Solve for x
    x = 64,491,715.58/8,713.32
  6. Step 6: Final answer
    x = 7,401.51

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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.