Home / 7,945.76-10,965.47-4,360.85

Finding the Fourth Proportional to 7,945.76, 10,965.47 and 4,360.85

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Solution

The fourth proportional to 7,945.76, 10,965.47 and 4,360.85 is: 6,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.76 : 10,965.47 = 4,360.85 : x
  2. Step 2: Convert to fraction form
    7,945.76/10,965.47 = 4,360.85/x
  3. Step 3: Cross multiply
    7,945.76x = 10,965.47 × 4,360.85
  4. Step 4: Simplify right side
    7,945.76x = 47,818,693.22
  5. Step 5: Solve for x
    x = 47,818,693.22/7,945.76
  6. Step 6: Final answer
    x = 6,018.14

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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.