Home / 6,605.37-9,898.83-4,386.78

Finding the Fourth Proportional to 6,605.37, 9,898.83 and 4,386.78

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Solution

The fourth proportional to 6,605.37, 9,898.83 and 4,386.78 is: 6,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.37 : 9,898.83 = 4,386.78 : x
  2. Step 2: Convert to fraction form
    6,605.37/9,898.83 = 4,386.78/x
  3. Step 3: Cross multiply
    6,605.37x = 9,898.83 × 4,386.78
  4. Step 4: Simplify right side
    6,605.37x = 43,423,989.47
  5. Step 5: Solve for x
    x = 43,423,989.47/6,605.37
  6. Step 6: Final answer
    x = 6,574.04

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1.5x scale

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.