Home / 9,045.46-12,482.37-5,268.74

Finding the Fourth Proportional to 9,045.46, 12,482.37 and 5,268.74

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Solution

The fourth proportional to 9,045.46, 12,482.37 and 5,268.74 is: 7,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.46 : 12,482.37 = 5,268.74 : x
  2. Step 2: Convert to fraction form
    9,045.46/12,482.37 = 5,268.74/x
  3. Step 3: Cross multiply
    9,045.46x = 12,482.37 × 5,268.74
  4. Step 4: Simplify right side
    9,045.46x = 65,766,362.11
  5. Step 5: Solve for x
    x = 65,766,362.11/9,045.46
  6. Step 6: Final answer
    x = 7,270.65

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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.