Home / 9,313.52-12,852.70-5,535.95

Finding the Fourth Proportional to 9,313.52, 12,852.70 and 5,535.95

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Solution

The fourth proportional to 9,313.52, 12,852.70 and 5,535.95 is: 7,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.52 : 12,852.70 = 5,535.95 : x
  2. Step 2: Convert to fraction form
    9,313.52/12,852.70 = 5,535.95/x
  3. Step 3: Cross multiply
    9,313.52x = 12,852.70 × 5,535.95
  4. Step 4: Simplify right side
    9,313.52x = 71,151,840.30
  5. Step 5: Solve for x
    x = 71,151,840.30/9,313.52
  6. Step 6: Final answer
    x = 7,639.63

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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.