Home / 9,284.15-12,812.58-5,306.58

Finding the Fourth Proportional to 9,284.15, 12,812.58 and 5,306.58

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Solution

The fourth proportional to 9,284.15, 12,812.58 and 5,306.58 is: 7,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.15 : 12,812.58 = 5,306.58 : x
  2. Step 2: Convert to fraction form
    9,284.15/12,812.58 = 5,306.58/x
  3. Step 3: Cross multiply
    9,284.15x = 12,812.58 × 5,306.58
  4. Step 4: Simplify right side
    9,284.15x = 67,990,980.78
  5. Step 5: Solve for x
    x = 67,990,980.78/9,284.15
  6. Step 6: Final answer
    x = 7,323.34

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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.