Home / 9,295.43-12,828.58-5,315.76

Finding the Fourth Proportional to 9,295.43, 12,828.58 and 5,315.76

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Solution

The fourth proportional to 9,295.43, 12,828.58 and 5,315.76 is: 7,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.43 : 12,828.58 = 5,315.76 : x
  2. Step 2: Convert to fraction form
    9,295.43/12,828.58 = 5,315.76/x
  3. Step 3: Cross multiply
    9,295.43x = 12,828.58 × 5,315.76
  4. Step 4: Simplify right side
    9,295.43x = 68,193,639.13
  5. Step 5: Solve for x
    x = 68,193,639.13/9,295.43
  6. Step 6: Final answer
    x = 7,336.26

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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.