Home / 4,695.90-7,039.80-2,387.40

Finding the Fourth Proportional to 4,695.90, 7,039.80 and 2,387.40

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Solution

The fourth proportional to 4,695.90, 7,039.80 and 2,387.40 is: 3,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.90 : 7,039.80 = 2,387.40 : x
  2. Step 2: Convert to fraction form
    4,695.90/7,039.80 = 2,387.40/x
  3. Step 3: Cross multiply
    4,695.90x = 7,039.80 × 2,387.40
  4. Step 4: Simplify right side
    4,695.90x = 16,806,818.52
  5. Step 5: Solve for x
    x = 16,806,818.52/4,695.90
  6. Step 6: Final answer
    x = 3,579.04

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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.