Home / 4,490.79-6,739.27-1,569.10

Finding the Fourth Proportional to 4,490.79, 6,739.27 and 1,569.10

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Solution

The fourth proportional to 4,490.79, 6,739.27 and 1,569.10 is: 2,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.79 : 6,739.27 = 1,569.10 : x
  2. Step 2: Convert to fraction form
    4,490.79/6,739.27 = 1,569.10/x
  3. Step 3: Cross multiply
    4,490.79x = 6,739.27 × 1,569.10
  4. Step 4: Simplify right side
    4,490.79x = 10,574,567.79
  5. Step 5: Solve for x
    x = 10,574,567.79/4,490.79
  6. Step 6: Final answer
    x = 2,354.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.