Home / 8,749.10-12,073.74-4,770.21

Finding the Fourth Proportional to 8,749.10, 12,073.74 and 4,770.21

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Solution

The fourth proportional to 8,749.10, 12,073.74 and 4,770.21 is: 6,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.10 : 12,073.74 = 4,770.21 : x
  2. Step 2: Convert to fraction form
    8,749.10/12,073.74 = 4,770.21/x
  3. Step 3: Cross multiply
    8,749.10x = 12,073.74 × 4,770.21
  4. Step 4: Simplify right side
    8,749.10x = 57,594,275.29
  5. Step 5: Solve for x
    x = 57,594,275.29/8,749.10
  6. Step 6: Final answer
    x = 6,582.88

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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.