Home / 8,897.40-12,278.50-4,864.34

Finding the Fourth Proportional to 8,897.40, 12,278.50 and 4,864.34

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Solution

The fourth proportional to 8,897.40, 12,278.50 and 4,864.34 is: 6,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.40 : 12,278.50 = 4,864.34 : x
  2. Step 2: Convert to fraction form
    8,897.40/12,278.50 = 4,864.34/x
  3. Step 3: Cross multiply
    8,897.40x = 12,278.50 × 4,864.34
  4. Step 4: Simplify right side
    8,897.40x = 59,726,817.23
  5. Step 5: Solve for x
    x = 59,726,817.23/8,897.40
  6. Step 6: Final answer
    x = 6,712.84

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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.