Home / 4,925.90-7,387.05-1,639.10

Finding the Fourth Proportional to 4,925.90, 7,387.05 and 1,639.10

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Solution

The fourth proportional to 4,925.90, 7,387.05 and 1,639.10 is: 2,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.90 : 7,387.05 = 1,639.10 : x
  2. Step 2: Convert to fraction form
    4,925.90/7,387.05 = 1,639.10/x
  3. Step 3: Cross multiply
    4,925.90x = 7,387.05 × 1,639.10
  4. Step 4: Simplify right side
    4,925.90x = 12,108,113.66
  5. Step 5: Solve for x
    x = 12,108,113.66/4,925.90
  6. Step 6: Final answer
    x = 2,458.05

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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.