Home / 7,328.66-10,114.04-4,140.85

Finding the Fourth Proportional to 7,328.66, 10,114.04 and 4,140.85

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Solution

The fourth proportional to 7,328.66, 10,114.04 and 4,140.85 is: 5,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.66 : 10,114.04 = 4,140.85 : x
  2. Step 2: Convert to fraction form
    7,328.66/10,114.04 = 4,140.85/x
  3. Step 3: Cross multiply
    7,328.66x = 10,114.04 × 4,140.85
  4. Step 4: Simplify right side
    7,328.66x = 41,880,671.96
  5. Step 5: Solve for x
    x = 41,880,671.96/7,328.66
  6. Step 6: Final answer
    x = 5,714.65

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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.