Home / 7,787.07-10,746.45-4,430.18

Finding the Fourth Proportional to 7,787.07, 10,746.45 and 4,430.18

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Solution

The fourth proportional to 7,787.07, 10,746.45 and 4,430.18 is: 6,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.07 : 10,746.45 = 4,430.18 : x
  2. Step 2: Convert to fraction form
    7,787.07/10,746.45 = 4,430.18/x
  3. Step 3: Cross multiply
    7,787.07x = 10,746.45 × 4,430.18
  4. Step 4: Simplify right side
    7,787.07x = 47,608,734.73
  5. Step 5: Solve for x
    x = 47,608,734.73/7,787.07
  6. Step 6: Final answer
    x = 6,113.82

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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.