Home / 8,463.89-11,681.39-4,929.05

Finding the Fourth Proportional to 8,463.89, 11,681.39 and 4,929.05

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Solution

The fourth proportional to 8,463.89, 11,681.39 and 4,929.05 is: 6,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.89 : 11,681.39 = 4,929.05 : x
  2. Step 2: Convert to fraction form
    8,463.89/11,681.39 = 4,929.05/x
  3. Step 3: Cross multiply
    8,463.89x = 11,681.39 × 4,929.05
  4. Step 4: Simplify right side
    8,463.89x = 57,578,155.38
  5. Step 5: Solve for x
    x = 57,578,155.38/8,463.89
  6. Step 6: Final answer
    x = 6,802.80

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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.