Home / 8,901-12,283.18-4,922.15

Finding the Fourth Proportional to 8,901, 12,283.18 and 4,922.15

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Solution

The fourth proportional to 8,901, 12,283.18 and 4,922.15 is: 6,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901 : 12,283.18 = 4,922.15 : x
  2. Step 2: Convert to fraction form
    8,901/12,283.18 = 4,922.15/x
  3. Step 3: Cross multiply
    8,901x = 12,283.18 × 4,922.15
  4. Step 4: Simplify right side
    8,901x = 60,459,580.72
  5. Step 5: Solve for x
    x = 60,459,580.72/8,901
  6. Step 6: Final answer
    x = 6,792.45

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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.