Home / 5,830.65-8,046.47-3,178.23

Finding the Fourth Proportional to 5,830.65, 8,046.47 and 3,178.23

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Solution

The fourth proportional to 5,830.65, 8,046.47 and 3,178.23 is: 4,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.65 : 8,046.47 = 3,178.23 : x
  2. Step 2: Convert to fraction form
    5,830.65/8,046.47 = 3,178.23/x
  3. Step 3: Cross multiply
    5,830.65x = 8,046.47 × 3,178.23
  4. Step 4: Simplify right side
    5,830.65x = 25,573,516.46
  5. Step 5: Solve for x
    x = 25,573,516.46/5,830.65
  6. Step 6: Final answer
    x = 4,386.05

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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.