Home / 7,865.07-10,853.80-4,328.28

Finding the Fourth Proportional to 7,865.07, 10,853.80 and 4,328.28

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Solution

The fourth proportional to 7,865.07, 10,853.80 and 4,328.28 is: 5,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.07 : 10,853.80 = 4,328.28 : x
  2. Step 2: Convert to fraction form
    7,865.07/10,853.80 = 4,328.28/x
  3. Step 3: Cross multiply
    7,865.07x = 10,853.80 × 4,328.28
  4. Step 4: Simplify right side
    7,865.07x = 46,978,269.23
  5. Step 5: Solve for x
    x = 46,978,269.23/7,865.07
  6. Step 6: Final answer
    x = 5,973.03

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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.