Home / 5,303.68-7,318.88-2,945.76

Finding the Fourth Proportional to 5,303.68, 7,318.88 and 2,945.76

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Solution

The fourth proportional to 5,303.68, 7,318.88 and 2,945.76 is: 4,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.68 : 7,318.88 = 2,945.76 : x
  2. Step 2: Convert to fraction form
    5,303.68/7,318.88 = 2,945.76/x
  3. Step 3: Cross multiply
    5,303.68x = 7,318.88 × 2,945.76
  4. Step 4: Simplify right side
    5,303.68x = 21,559,663.95
  5. Step 5: Solve for x
    x = 21,559,663.95/5,303.68
  6. Step 6: Final answer
    x = 4,065.04

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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.