Home / 8,444.40-12,666.60-6,111.60

Finding the Fourth Proportional to 8,444.40, 12,666.60 and 6,111.60

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Solution

The fourth proportional to 8,444.40, 12,666.60 and 6,111.60 is: 9,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.40 : 12,666.60 = 6,111.60 : x
  2. Step 2: Convert to fraction form
    8,444.40/12,666.60 = 6,111.60/x
  3. Step 3: Cross multiply
    8,444.40x = 12,666.60 × 6,111.60
  4. Step 4: Simplify right side
    8,444.40x = 77,413,192.56
  5. Step 5: Solve for x
    x = 77,413,192.56/8,444.40
  6. Step 6: Final answer
    x = 9,167.40

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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.