Home / 9,792.60-13,513.88-5,316.40

Finding the Fourth Proportional to 9,792.60, 13,513.88 and 5,316.40

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Solution

The fourth proportional to 9,792.60, 13,513.88 and 5,316.40 is: 7,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.60 : 13,513.88 = 5,316.40 : x
  2. Step 2: Convert to fraction form
    9,792.60/13,513.88 = 5,316.40/x
  3. Step 3: Cross multiply
    9,792.60x = 13,513.88 × 5,316.40
  4. Step 4: Simplify right side
    9,792.60x = 71,845,191.63
  5. Step 5: Solve for x
    x = 71,845,191.63/9,792.60
  6. Step 6: Final answer
    x = 7,336.68

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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.