Home / 7,787.13-10,746.20-4,250.34

Finding the Fourth Proportional to 7,787.13, 10,746.20 and 4,250.34

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Solution

The fourth proportional to 7,787.13, 10,746.20 and 4,250.34 is: 5,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.13 : 10,746.20 = 4,250.34 : x
  2. Step 2: Convert to fraction form
    7,787.13/10,746.20 = 4,250.34/x
  3. Step 3: Cross multiply
    7,787.13x = 10,746.20 × 4,250.34
  4. Step 4: Simplify right side
    7,787.13x = 45,674,982.46
  5. Step 5: Solve for x
    x = 45,674,982.46/7,787.13
  6. Step 6: Final answer
    x = 5,865.44

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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.