Home / 10,457.68-15,675.57-3,880.90

Finding the Fourth Proportional to 10,457.68, 15,675.57 and 3,880.90

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Solution

The fourth proportional to 10,457.68, 15,675.57 and 3,880.90 is: 5,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.68 : 15,675.57 = 3,880.90 : x
  2. Step 2: Convert to fraction form
    10,457.68/15,675.57 = 3,880.90/x
  3. Step 3: Cross multiply
    10,457.68x = 15,675.57 × 3,880.90
  4. Step 4: Simplify right side
    10,457.68x = 60,835,319.61
  5. Step 5: Solve for x
    x = 60,835,319.61/10,457.68
  6. Step 6: Final answer
    x = 5,817.29

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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.