Home / 7,848.70-10,830.51-4,661.76

Finding the Fourth Proportional to 7,848.70, 10,830.51 and 4,661.76

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Solution

The fourth proportional to 7,848.70, 10,830.51 and 4,661.76 is: 6,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.70 : 10,830.51 = 4,661.76 : x
  2. Step 2: Convert to fraction form
    7,848.70/10,830.51 = 4,661.76/x
  3. Step 3: Cross multiply
    7,848.70x = 10,830.51 × 4,661.76
  4. Step 4: Simplify right side
    7,848.70x = 50,489,238.30
  5. Step 5: Solve for x
    x = 50,489,238.30/7,848.70
  6. Step 6: Final answer
    x = 6,432.82

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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.