Home / 8,587.05-12,885.36-4,638.22

Finding the Fourth Proportional to 8,587.05, 12,885.36 and 4,638.22

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Solution

The fourth proportional to 8,587.05, 12,885.36 and 4,638.22 is: 6,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.05 : 12,885.36 = 4,638.22 : x
  2. Step 2: Convert to fraction form
    8,587.05/12,885.36 = 4,638.22/x
  3. Step 3: Cross multiply
    8,587.05x = 12,885.36 × 4,638.22
  4. Step 4: Simplify right side
    8,587.05x = 59,765,134.46
  5. Step 5: Solve for x
    x = 59,765,134.46/8,587.05
  6. Step 6: Final answer
    x = 6,959.91

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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.