Home / 7,848.69-10,830.56-4,490.73

Finding the Fourth Proportional to 7,848.69, 10,830.56 and 4,490.73

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Solution

The fourth proportional to 7,848.69, 10,830.56 and 4,490.73 is: 6,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.69 : 10,830.56 = 4,490.73 : x
  2. Step 2: Convert to fraction form
    7,848.69/10,830.56 = 4,490.73/x
  3. Step 3: Cross multiply
    7,848.69x = 10,830.56 × 4,490.73
  4. Step 4: Simplify right side
    7,848.69x = 48,637,120.71
  5. Step 5: Solve for x
    x = 48,637,120.71/7,848.69
  6. Step 6: Final answer
    x = 6,196.85

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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.