Home / 5,587.08-7,706.88-3,487.56

Finding the Fourth Proportional to 5,587.08, 7,706.88 and 3,487.56

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Solution

The fourth proportional to 5,587.08, 7,706.88 and 3,487.56 is: 4,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.08 : 7,706.88 = 3,487.56 : x
  2. Step 2: Convert to fraction form
    5,587.08/7,706.88 = 3,487.56/x
  3. Step 3: Cross multiply
    5,587.08x = 7,706.88 × 3,487.56
  4. Step 4: Simplify right side
    5,587.08x = 26,878,206.41
  5. Step 5: Solve for x
    x = 26,878,206.41/5,587.08
  6. Step 6: Final answer
    x = 4,810.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.