Home / 7,448.16-11,157.12-5,797.92

Finding the Fourth Proportional to 7,448.16, 11,157.12 and 5,797.92

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Solution

The fourth proportional to 7,448.16, 11,157.12 and 5,797.92 is: 8,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.16 : 11,157.12 = 5,797.92 : x
  2. Step 2: Convert to fraction form
    7,448.16/11,157.12 = 5,797.92/x
  3. Step 3: Cross multiply
    7,448.16x = 11,157.12 × 5,797.92
  4. Step 4: Simplify right side
    7,448.16x = 64,688,089.19
  5. Step 5: Solve for x
    x = 64,688,089.19/7,448.16
  6. Step 6: Final answer
    x = 8,685.11

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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.