Home / 7,490.48-10,334.80-4,505.90

Finding the Fourth Proportional to 7,490.48, 10,334.80 and 4,505.90

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Solution

The fourth proportional to 7,490.48, 10,334.80 and 4,505.90 is: 6,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.48 : 10,334.80 = 4,505.90 : x
  2. Step 2: Convert to fraction form
    7,490.48/10,334.80 = 4,505.90/x
  3. Step 3: Cross multiply
    7,490.48x = 10,334.80 × 4,505.90
  4. Step 4: Simplify right side
    7,490.48x = 46,567,575.32
  5. Step 5: Solve for x
    x = 46,567,575.32/7,490.48
  6. Step 6: Final answer
    x = 6,216.90

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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.