Home / 8,848.80-12,211.32-5,312

Finding the Fourth Proportional to 8,848.80, 12,211.32 and 5,312

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Solution

The fourth proportional to 8,848.80, 12,211.32 and 5,312 is: 7,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.80 : 12,211.32 = 5,312 : x
  2. Step 2: Convert to fraction form
    8,848.80/12,211.32 = 5,312/x
  3. Step 3: Cross multiply
    8,848.80x = 12,211.32 × 5,312
  4. Step 4: Simplify right side
    8,848.80x = 64,866,531.84
  5. Step 5: Solve for x
    x = 64,866,531.84/8,848.80
  6. Step 6: Final answer
    x = 7,330.55

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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.