Home / 5,280.06-7,917.42-1,948.14

Finding the Fourth Proportional to 5,280.06, 7,917.42 and 1,948.14

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Solution

The fourth proportional to 5,280.06, 7,917.42 and 1,948.14 is: 2,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.06 : 7,917.42 = 1,948.14 : x
  2. Step 2: Convert to fraction form
    5,280.06/7,917.42 = 1,948.14/x
  3. Step 3: Cross multiply
    5,280.06x = 7,917.42 × 1,948.14
  4. Step 4: Simplify right side
    5,280.06x = 15,424,242.60
  5. Step 5: Solve for x
    x = 15,424,242.60/5,280.06
  6. Step 6: Final answer
    x = 2,921.22

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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.