Home / 7,763.60-10,710.30-5,177.14

Finding the Fourth Proportional to 7,763.60, 10,710.30 and 5,177.14

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Solution

The fourth proportional to 7,763.60, 10,710.30 and 5,177.14 is: 7,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.60 : 10,710.30 = 5,177.14 : x
  2. Step 2: Convert to fraction form
    7,763.60/10,710.30 = 5,177.14/x
  3. Step 3: Cross multiply
    7,763.60x = 10,710.30 × 5,177.14
  4. Step 4: Simplify right side
    7,763.60x = 55,448,722.54
  5. Step 5: Solve for x
    x = 55,448,722.54/7,763.60
  6. Step 6: Final answer
    x = 7,142.14

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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.