Home / 5,320.53-7,342.26-2,930.45

Finding the Fourth Proportional to 5,320.53, 7,342.26 and 2,930.45

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Solution

The fourth proportional to 5,320.53, 7,342.26 and 2,930.45 is: 4,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.53 : 7,342.26 = 2,930.45 : x
  2. Step 2: Convert to fraction form
    5,320.53/7,342.26 = 2,930.45/x
  3. Step 3: Cross multiply
    5,320.53x = 7,342.26 × 2,930.45
  4. Step 4: Simplify right side
    5,320.53x = 21,516,129.52
  5. Step 5: Solve for x
    x = 21,516,129.52/5,320.53
  6. Step 6: Final answer
    x = 4,043.99

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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.