Home / 5,421.04-8,113.74-3,574.24

Finding the Fourth Proportional to 5,421.04, 8,113.74 and 3,574.24

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Solution

The fourth proportional to 5,421.04, 8,113.74 and 3,574.24 is: 5,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.04 : 8,113.74 = 3,574.24 : x
  2. Step 2: Convert to fraction form
    5,421.04/8,113.74 = 3,574.24/x
  3. Step 3: Cross multiply
    5,421.04x = 8,113.74 × 3,574.24
  4. Step 4: Simplify right side
    5,421.04x = 29,000,454.06
  5. Step 5: Solve for x
    x = 29,000,454.06/5,421.04
  6. Step 6: Final answer
    x = 5,349.61

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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.