Home / 8,985.20-13,478.27-2,746.17

Finding the Fourth Proportional to 8,985.20, 13,478.27 and 2,746.17

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Solution

The fourth proportional to 8,985.20, 13,478.27 and 2,746.17 is: 4,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.20 : 13,478.27 = 2,746.17 : x
  2. Step 2: Convert to fraction form
    8,985.20/13,478.27 = 2,746.17/x
  3. Step 3: Cross multiply
    8,985.20x = 13,478.27 × 2,746.17
  4. Step 4: Simplify right side
    8,985.20x = 37,013,607.00
  5. Step 5: Solve for x
    x = 37,013,607.00/8,985.20
  6. Step 6: Final answer
    x = 4,119.40

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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.