Home / 5,707.80-8,561.70-5,671.35

Finding the Fourth Proportional to 5,707.80, 8,561.70 and 5,671.35

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Solution

The fourth proportional to 5,707.80, 8,561.70 and 5,671.35 is: 8,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.80 : 8,561.70 = 5,671.35 : x
  2. Step 2: Convert to fraction form
    5,707.80/8,561.70 = 5,671.35/x
  3. Step 3: Cross multiply
    5,707.80x = 8,561.70 × 5,671.35
  4. Step 4: Simplify right side
    5,707.80x = 48,556,397.30
  5. Step 5: Solve for x
    x = 48,556,397.30/5,707.80
  6. Step 6: Final answer
    x = 8,507.03

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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.