Home / 7,767.30-10,719.62-4,784.88

Finding the Fourth Proportional to 7,767.30, 10,719.62 and 4,784.88

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Solution

The fourth proportional to 7,767.30, 10,719.62 and 4,784.88 is: 6,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.30 : 10,719.62 = 4,784.88 : x
  2. Step 2: Convert to fraction form
    7,767.30/10,719.62 = 4,784.88/x
  3. Step 3: Cross multiply
    7,767.30x = 10,719.62 × 4,784.88
  4. Step 4: Simplify right side
    7,767.30x = 51,292,156.48
  5. Step 5: Solve for x
    x = 51,292,156.48/7,767.30
  6. Step 6: Final answer
    x = 6,603.60

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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.