Home / 7,265.08-10,026.75-4,122.28

Finding the Fourth Proportional to 7,265.08, 10,026.75 and 4,122.28

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Solution

The fourth proportional to 7,265.08, 10,026.75 and 4,122.28 is: 5,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.08 : 10,026.75 = 4,122.28 : x
  2. Step 2: Convert to fraction form
    7,265.08/10,026.75 = 4,122.28/x
  3. Step 3: Cross multiply
    7,265.08x = 10,026.75 × 4,122.28
  4. Step 4: Simplify right side
    7,265.08x = 41,333,070.99
  5. Step 5: Solve for x
    x = 41,333,070.99/7,265.08
  6. Step 6: Final answer
    x = 5,689.28

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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.