Home / 7,884.54-10,880.28-4,740.12

Finding the Fourth Proportional to 7,884.54, 10,880.28 and 4,740.12

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Solution

The fourth proportional to 7,884.54, 10,880.28 and 4,740.12 is: 6,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.54 : 10,880.28 = 4,740.12 : x
  2. Step 2: Convert to fraction form
    7,884.54/10,880.28 = 4,740.12/x
  3. Step 3: Cross multiply
    7,884.54x = 10,880.28 × 4,740.12
  4. Step 4: Simplify right side
    7,884.54x = 51,573,832.83
  5. Step 5: Solve for x
    x = 51,573,832.83/7,884.54
  6. Step 6: Final answer
    x = 6,541.13

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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.