Home / 9,284.37-12,812.69-5,306.13

Finding the Fourth Proportional to 9,284.37, 12,812.69 and 5,306.13

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Solution

The fourth proportional to 9,284.37, 12,812.69 and 5,306.13 is: 7,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.37 : 12,812.69 = 5,306.13 : x
  2. Step 2: Convert to fraction form
    9,284.37/12,812.69 = 5,306.13/x
  3. Step 3: Cross multiply
    9,284.37x = 12,812.69 × 5,306.13
  4. Step 4: Simplify right side
    9,284.37x = 67,985,772.26
  5. Step 5: Solve for x
    x = 67,985,772.26/9,284.37
  6. Step 6: Final answer
    x = 7,322.60

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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.