Home / 8,577.18-11,838.48-5,587.80

Finding the Fourth Proportional to 8,577.18, 11,838.48 and 5,587.80

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Solution

The fourth proportional to 8,577.18, 11,838.48 and 5,587.80 is: 7,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.18 : 11,838.48 = 5,587.80 : x
  2. Step 2: Convert to fraction form
    8,577.18/11,838.48 = 5,587.80/x
  3. Step 3: Cross multiply
    8,577.18x = 11,838.48 × 5,587.80
  4. Step 4: Simplify right side
    8,577.18x = 66,151,058.54
  5. Step 5: Solve for x
    x = 66,151,058.54/8,577.18
  6. Step 6: Final answer
    x = 7,712.45

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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.