Home / 8,742.30-13,117.33-4,581.32

Finding the Fourth Proportional to 8,742.30, 13,117.33 and 4,581.32

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Solution

The fourth proportional to 8,742.30, 13,117.33 and 4,581.32 is: 6,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.30 : 13,117.33 = 4,581.32 : x
  2. Step 2: Convert to fraction form
    8,742.30/13,117.33 = 4,581.32/x
  3. Step 3: Cross multiply
    8,742.30x = 13,117.33 × 4,581.32
  4. Step 4: Simplify right side
    8,742.30x = 60,094,663.37
  5. Step 5: Solve for x
    x = 60,094,663.37/8,742.30
  6. Step 6: Final answer
    x = 6,874.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.