Home / 5,184.79-7,155.19-2,946.59

Finding the Fourth Proportional to 5,184.79, 7,155.19 and 2,946.59

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Solution

The fourth proportional to 5,184.79, 7,155.19 and 2,946.59 is: 4,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.79 : 7,155.19 = 2,946.59 : x
  2. Step 2: Convert to fraction form
    5,184.79/7,155.19 = 2,946.59/x
  3. Step 3: Cross multiply
    5,184.79x = 7,155.19 × 2,946.59
  4. Step 4: Simplify right side
    5,184.79x = 21,083,406.04
  5. Step 5: Solve for x
    x = 21,083,406.04/5,184.79
  6. Step 6: Final answer
    x = 4,066.40

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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.