Home / 5,302.02-7,318.13-3,065.21

Finding the Fourth Proportional to 5,302.02, 7,318.13 and 3,065.21

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Solution

The fourth proportional to 5,302.02, 7,318.13 and 3,065.21 is: 4,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.02 : 7,318.13 = 3,065.21 : x
  2. Step 2: Convert to fraction form
    5,302.02/7,318.13 = 3,065.21/x
  3. Step 3: Cross multiply
    5,302.02x = 7,318.13 × 3,065.21
  4. Step 4: Simplify right side
    5,302.02x = 22,431,605.26
  5. Step 5: Solve for x
    x = 22,431,605.26/5,302.02
  6. Step 6: Final answer
    x = 4,230.77

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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.