Home / 9,312.54-13,970.88-2,738.76

Finding the Fourth Proportional to 9,312.54, 13,970.88 and 2,738.76

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Solution

The fourth proportional to 9,312.54, 13,970.88 and 2,738.76 is: 4,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.54 : 13,970.88 = 2,738.76 : x
  2. Step 2: Convert to fraction form
    9,312.54/13,970.88 = 2,738.76/x
  3. Step 3: Cross multiply
    9,312.54x = 13,970.88 × 2,738.76
  4. Step 4: Simplify right side
    9,312.54x = 38,262,887.31
  5. Step 5: Solve for x
    x = 38,262,887.31/9,312.54
  6. Step 6: Final answer
    x = 4,108.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.