Home / 7,805.48-10,775.18-4,617.77

Finding the Fourth Proportional to 7,805.48, 10,775.18 and 4,617.77

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Solution

The fourth proportional to 7,805.48, 10,775.18 and 4,617.77 is: 6,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.48 : 10,775.18 = 4,617.77 : x
  2. Step 2: Convert to fraction form
    7,805.48/10,775.18 = 4,617.77/x
  3. Step 3: Cross multiply
    7,805.48x = 10,775.18 × 4,617.77
  4. Step 4: Simplify right side
    7,805.48x = 49,757,302.95
  5. Step 5: Solve for x
    x = 49,757,302.95/7,805.48
  6. Step 6: Final answer
    x = 6,374.66

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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.