Home / 7,827.12-10,795.14-6,880.89

Finding the Fourth Proportional to 7,827.12, 10,795.14 and 6,880.89

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Solution

The fourth proportional to 7,827.12, 10,795.14 and 6,880.89 is: 9,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.12 : 10,795.14 = 6,880.89 : x
  2. Step 2: Convert to fraction form
    7,827.12/10,795.14 = 6,880.89/x
  3. Step 3: Cross multiply
    7,827.12x = 10,795.14 × 6,880.89
  4. Step 4: Simplify right side
    7,827.12x = 74,280,170.87
  5. Step 5: Solve for x
    x = 74,280,170.87/7,827.12
  6. Step 6: Final answer
    x = 9,490.10

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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.