Home / 5,315.19-7,334.87-2,957.28

Finding the Fourth Proportional to 5,315.19, 7,334.87 and 2,957.28

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Solution

The fourth proportional to 5,315.19, 7,334.87 and 2,957.28 is: 4,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.19 : 7,334.87 = 2,957.28 : x
  2. Step 2: Convert to fraction form
    5,315.19/7,334.87 = 2,957.28/x
  3. Step 3: Cross multiply
    5,315.19x = 7,334.87 × 2,957.28
  4. Step 4: Simplify right side
    5,315.19x = 21,691,264.35
  5. Step 5: Solve for x
    x = 21,691,264.35/5,315.19
  6. Step 6: Final answer
    x = 4,081.00

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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.