Home / 7,787.90-10,747.23-4,802.54

Finding the Fourth Proportional to 7,787.90, 10,747.23 and 4,802.54

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Solution

The fourth proportional to 7,787.90, 10,747.23 and 4,802.54 is: 6,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.90 : 10,747.23 = 4,802.54 : x
  2. Step 2: Convert to fraction form
    7,787.90/10,747.23 = 4,802.54/x
  3. Step 3: Cross multiply
    7,787.90x = 10,747.23 × 4,802.54
  4. Step 4: Simplify right side
    7,787.90x = 51,614,001.96
  5. Step 5: Solve for x
    x = 51,614,001.96/7,787.90
  6. Step 6: Final answer
    x = 6,627.46

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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.