Home / 7,448.15-10,278.42-4,045.14

Finding the Fourth Proportional to 7,448.15, 10,278.42 and 4,045.14

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Solution

The fourth proportional to 7,448.15, 10,278.42 and 4,045.14 is: 5,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.15 : 10,278.42 = 4,045.14 : x
  2. Step 2: Convert to fraction form
    7,448.15/10,278.42 = 4,045.14/x
  3. Step 3: Cross multiply
    7,448.15x = 10,278.42 × 4,045.14
  4. Step 4: Simplify right side
    7,448.15x = 41,577,647.88
  5. Step 5: Solve for x
    x = 41,577,647.88/7,448.15
  6. Step 6: Final answer
    x = 5,582.28

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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.