Home / 7,865.16-10,853.70-4,328.38

Finding the Fourth Proportional to 7,865.16, 10,853.70 and 4,328.38

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Solution

The fourth proportional to 7,865.16, 10,853.70 and 4,328.38 is: 5,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.16 : 10,853.70 = 4,328.38 : x
  2. Step 2: Convert to fraction form
    7,865.16/10,853.70 = 4,328.38/x
  3. Step 3: Cross multiply
    7,865.16x = 10,853.70 × 4,328.38
  4. Step 4: Simplify right side
    7,865.16x = 46,978,938.01
  5. Step 5: Solve for x
    x = 46,978,938.01/7,865.16
  6. Step 6: Final answer
    x = 5,973.04

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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.