Home / 7,288.68-10,931.60-2,357.12

Finding the Fourth Proportional to 7,288.68, 10,931.60 and 2,357.12

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Solution

The fourth proportional to 7,288.68, 10,931.60 and 2,357.12 is: 3,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.68 : 10,931.60 = 2,357.12 : x
  2. Step 2: Convert to fraction form
    7,288.68/10,931.60 = 2,357.12/x
  3. Step 3: Cross multiply
    7,288.68x = 10,931.60 × 2,357.12
  4. Step 4: Simplify right side
    7,288.68x = 25,767,092.99
  5. Step 5: Solve for x
    x = 25,767,092.99/7,288.68
  6. Step 6: Final answer
    x = 3,535.22

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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.