Home / 4,387.40-6,581.04-1,100.49

Finding the Fourth Proportional to 4,387.40, 6,581.04 and 1,100.49

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Solution

The fourth proportional to 4,387.40, 6,581.04 and 1,100.49 is: 1,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.40 : 6,581.04 = 1,100.49 : x
  2. Step 2: Convert to fraction form
    4,387.40/6,581.04 = 1,100.49/x
  3. Step 3: Cross multiply
    4,387.40x = 6,581.04 × 1,100.49
  4. Step 4: Simplify right side
    4,387.40x = 7,242,368.71
  5. Step 5: Solve for x
    x = 7,242,368.71/4,387.40
  6. Step 6: Final answer
    x = 1,650.72

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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.