Home / 5,686.04-8,529.10-5,438.20

Finding the Fourth Proportional to 5,686.04, 8,529.10 and 5,438.20

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Solution

The fourth proportional to 5,686.04, 8,529.10 and 5,438.20 is: 8,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.04 : 8,529.10 = 5,438.20 : x
  2. Step 2: Convert to fraction form
    5,686.04/8,529.10 = 5,438.20/x
  3. Step 3: Cross multiply
    5,686.04x = 8,529.10 × 5,438.20
  4. Step 4: Simplify right side
    5,686.04x = 46,382,951.62
  5. Step 5: Solve for x
    x = 46,382,951.62/5,686.04
  6. Step 6: Final answer
    x = 8,157.34

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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.