Home / 5,812.08-8,712.52-4,421.40

Finding the Fourth Proportional to 5,812.08, 8,712.52 and 4,421.40

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Solution

The fourth proportional to 5,812.08, 8,712.52 and 4,421.40 is: 6,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.08 : 8,712.52 = 4,421.40 : x
  2. Step 2: Convert to fraction form
    5,812.08/8,712.52 = 4,421.40/x
  3. Step 3: Cross multiply
    5,812.08x = 8,712.52 × 4,421.40
  4. Step 4: Simplify right side
    5,812.08x = 38,521,535.93
  5. Step 5: Solve for x
    x = 38,521,535.93/5,812.08
  6. Step 6: Final answer
    x = 6,627.84

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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.