Home / 5,313.28-7,332.08-2,955.40

Finding the Fourth Proportional to 5,313.28, 7,332.08 and 2,955.40

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Solution

The fourth proportional to 5,313.28, 7,332.08 and 2,955.40 is: 4,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.28 : 7,332.08 = 2,955.40 : x
  2. Step 2: Convert to fraction form
    5,313.28/7,332.08 = 2,955.40/x
  3. Step 3: Cross multiply
    5,313.28x = 7,332.08 × 2,955.40
  4. Step 4: Simplify right side
    5,313.28x = 21,669,229.23
  5. Step 5: Solve for x
    x = 21,669,229.23/5,313.28
  6. Step 6: Final answer
    x = 4,078.31

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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.