Home / 8,903.40-13,358.20-3,358.35

Finding the Fourth Proportional to 8,903.40, 13,358.20 and 3,358.35

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Solution

The fourth proportional to 8,903.40, 13,358.20 and 3,358.35 is: 5,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.40 : 13,358.20 = 3,358.35 : x
  2. Step 2: Convert to fraction form
    8,903.40/13,358.20 = 3,358.35/x
  3. Step 3: Cross multiply
    8,903.40x = 13,358.20 × 3,358.35
  4. Step 4: Simplify right side
    8,903.40x = 44,861,510.97
  5. Step 5: Solve for x
    x = 44,861,510.97/8,903.40
  6. Step 6: Final answer
    x = 5,038.69

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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.