Home / 7,256.72-10,013.68-4,272.08

Finding the Fourth Proportional to 7,256.72, 10,013.68 and 4,272.08

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Solution

The fourth proportional to 7,256.72, 10,013.68 and 4,272.08 is: 5,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.72 : 10,013.68 = 4,272.08 : x
  2. Step 2: Convert to fraction form
    7,256.72/10,013.68 = 4,272.08/x
  3. Step 3: Cross multiply
    7,256.72x = 10,013.68 × 4,272.08
  4. Step 4: Simplify right side
    7,256.72x = 42,779,242.05
  5. Step 5: Solve for x
    x = 42,779,242.05/7,256.72
  6. Step 6: Final answer
    x = 5,895.12

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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.