Home / 9,079.08-12,528.72-5,302.32

Finding the Fourth Proportional to 9,079.08, 12,528.72 and 5,302.32

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Solution

The fourth proportional to 9,079.08, 12,528.72 and 5,302.32 is: 7,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.08 : 12,528.72 = 5,302.32 : x
  2. Step 2: Convert to fraction form
    9,079.08/12,528.72 = 5,302.32/x
  3. Step 3: Cross multiply
    9,079.08x = 12,528.72 × 5,302.32
  4. Step 4: Simplify right side
    9,079.08x = 66,431,282.63
  5. Step 5: Solve for x
    x = 66,431,282.63/9,079.08
  6. Step 6: Final answer
    x = 7,316.96

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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.