Home / 5,303.04-7,318.96-3,178.68

Finding the Fourth Proportional to 5,303.04, 7,318.96 and 3,178.68

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Solution

The fourth proportional to 5,303.04, 7,318.96 and 3,178.68 is: 4,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.04 : 7,318.96 = 3,178.68 : x
  2. Step 2: Convert to fraction form
    5,303.04/7,318.96 = 3,178.68/x
  3. Step 3: Cross multiply
    5,303.04x = 7,318.96 × 3,178.68
  4. Step 4: Simplify right side
    5,303.04x = 23,264,631.77
  5. Step 5: Solve for x
    x = 23,264,631.77/5,303.04
  6. Step 6: Final answer
    x = 4,387.04

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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.