Home / 8,749.60-13,117.20-4,645.60

Finding the Fourth Proportional to 8,749.60, 13,117.20 and 4,645.60

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Solution

The fourth proportional to 8,749.60, 13,117.20 and 4,645.60 is: 6,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.60 : 13,117.20 = 4,645.60 : x
  2. Step 2: Convert to fraction form
    8,749.60/13,117.20 = 4,645.60/x
  3. Step 3: Cross multiply
    8,749.60x = 13,117.20 × 4,645.60
  4. Step 4: Simplify right side
    8,749.60x = 60,937,264.32
  5. Step 5: Solve for x
    x = 60,937,264.32/8,749.60
  6. Step 6: Final answer
    x = 6,964.58

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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.