Home / 8,440.04-11,647.28-4,903.92

Finding the Fourth Proportional to 8,440.04, 11,647.28 and 4,903.92

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Solution

The fourth proportional to 8,440.04, 11,647.28 and 4,903.92 is: 6,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.04 : 11,647.28 = 4,903.92 : x
  2. Step 2: Convert to fraction form
    8,440.04/11,647.28 = 4,903.92/x
  3. Step 3: Cross multiply
    8,440.04x = 11,647.28 × 4,903.92
  4. Step 4: Simplify right side
    8,440.04x = 57,117,329.34
  5. Step 5: Solve for x
    x = 57,117,329.34/8,440.04
  6. Step 6: Final answer
    x = 6,767.42

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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.