Home / 8,864.22-12,237.06-6,870.30

Finding the Fourth Proportional to 8,864.22, 12,237.06 and 6,870.30

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Solution

The fourth proportional to 8,864.22, 12,237.06 and 6,870.30 is: 9,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.22 : 12,237.06 = 6,870.30 : x
  2. Step 2: Convert to fraction form
    8,864.22/12,237.06 = 6,870.30/x
  3. Step 3: Cross multiply
    8,864.22x = 12,237.06 × 6,870.30
  4. Step 4: Simplify right side
    8,864.22x = 84,072,273.32
  5. Step 5: Solve for x
    x = 84,072,273.32/8,864.22
  6. Step 6: Final answer
    x = 9,484.45

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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.