Home / 4,376.79-6,569.51-1,913.31

Finding the Fourth Proportional to 4,376.79, 6,569.51 and 1,913.31

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Solution

The fourth proportional to 4,376.79, 6,569.51 and 1,913.31 is: 2,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.79 : 6,569.51 = 1,913.31 : x
  2. Step 2: Convert to fraction form
    4,376.79/6,569.51 = 1,913.31/x
  3. Step 3: Cross multiply
    4,376.79x = 6,569.51 × 1,913.31
  4. Step 4: Simplify right side
    4,376.79x = 12,569,509.18
  5. Step 5: Solve for x
    x = 12,569,509.18/4,376.79
  6. Step 6: Final answer
    x = 2,871.86

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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.