Home / 7,385.04-11,078.98-2,388.76

Finding the Fourth Proportional to 7,385.04, 11,078.98 and 2,388.76

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Solution

The fourth proportional to 7,385.04, 11,078.98 and 2,388.76 is: 3,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.04 : 11,078.98 = 2,388.76 : x
  2. Step 2: Convert to fraction form
    7,385.04/11,078.98 = 2,388.76/x
  3. Step 3: Cross multiply
    7,385.04x = 11,078.98 × 2,388.76
  4. Step 4: Simplify right side
    7,385.04x = 26,465,024.26
  5. Step 5: Solve for x
    x = 26,465,024.26/7,385.04
  6. Step 6: Final answer
    x = 3,583.60

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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.