Home / 6,985.29-10,477.77-3,285.47

Finding the Fourth Proportional to 6,985.29, 10,477.77 and 3,285.47

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Solution

The fourth proportional to 6,985.29, 10,477.77 and 3,285.47 is: 4,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.29 : 10,477.77 = 3,285.47 : x
  2. Step 2: Convert to fraction form
    6,985.29/10,477.77 = 3,285.47/x
  3. Step 3: Cross multiply
    6,985.29x = 10,477.77 × 3,285.47
  4. Step 4: Simplify right side
    6,985.29x = 34,424,346.61
  5. Step 5: Solve for x
    x = 34,424,346.61/6,985.29
  6. Step 6: Final answer
    x = 4,928.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.