Home / 9,070.68-13,630.20-4,913.76

Finding the Fourth Proportional to 9,070.68, 13,630.20 and 4,913.76

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Solution

The fourth proportional to 9,070.68, 13,630.20 and 4,913.76 is: 7,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.68 : 13,630.20 = 4,913.76 : x
  2. Step 2: Convert to fraction form
    9,070.68/13,630.20 = 4,913.76/x
  3. Step 3: Cross multiply
    9,070.68x = 13,630.20 × 4,913.76
  4. Step 4: Simplify right side
    9,070.68x = 66,975,531.55
  5. Step 5: Solve for x
    x = 66,975,531.55/9,070.68
  6. Step 6: Final answer
    x = 7,383.74

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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.