Home / 5,419.24-7,478.58-3,061.60

Finding the Fourth Proportional to 5,419.24, 7,478.58 and 3,061.60

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Solution

The fourth proportional to 5,419.24, 7,478.58 and 3,061.60 is: 4,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.24 : 7,478.58 = 3,061.60 : x
  2. Step 2: Convert to fraction form
    5,419.24/7,478.58 = 3,061.60/x
  3. Step 3: Cross multiply
    5,419.24x = 7,478.58 × 3,061.60
  4. Step 4: Simplify right side
    5,419.24x = 22,896,420.53
  5. Step 5: Solve for x
    x = 22,896,420.53/5,419.24
  6. Step 6: Final answer
    x = 4,225.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.