Home / 5,312.79-7,332.54-3,074.28

Finding the Fourth Proportional to 5,312.79, 7,332.54 and 3,074.28

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Solution

The fourth proportional to 5,312.79, 7,332.54 and 3,074.28 is: 4,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.79 : 7,332.54 = 3,074.28 : x
  2. Step 2: Convert to fraction form
    5,312.79/7,332.54 = 3,074.28/x
  3. Step 3: Cross multiply
    5,312.79x = 7,332.54 × 3,074.28
  4. Step 4: Simplify right side
    5,312.79x = 22,542,281.07
  5. Step 5: Solve for x
    x = 22,542,281.07/5,312.79
  6. Step 6: Final answer
    x = 4,243.02

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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.