Home / 7,460.80-10,288.56-4,477.12

Finding the Fourth Proportional to 7,460.80, 10,288.56 and 4,477.12

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Solution

The fourth proportional to 7,460.80, 10,288.56 and 4,477.12 is: 6,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.80 : 10,288.56 = 4,477.12 : x
  2. Step 2: Convert to fraction form
    7,460.80/10,288.56 = 4,477.12/x
  3. Step 3: Cross multiply
    7,460.80x = 10,288.56 × 4,477.12
  4. Step 4: Simplify right side
    7,460.80x = 46,063,117.75
  5. Step 5: Solve for x
    x = 46,063,117.75/7,460.80
  6. Step 6: Final answer
    x = 6,174.02

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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.