Home / 5,022.76-6,931.45-2,784.68

Finding the Fourth Proportional to 5,022.76, 6,931.45 and 2,784.68

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Solution

The fourth proportional to 5,022.76, 6,931.45 and 2,784.68 is: 3,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.76 : 6,931.45 = 2,784.68 : x
  2. Step 2: Convert to fraction form
    5,022.76/6,931.45 = 2,784.68/x
  3. Step 3: Cross multiply
    5,022.76x = 6,931.45 × 2,784.68
  4. Step 4: Simplify right side
    5,022.76x = 19,301,870.19
  5. Step 5: Solve for x
    x = 19,301,870.19/5,022.76
  6. Step 6: Final answer
    x = 3,842.88

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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.