Home / 7,109.06-9,810.59-4,125.02

Finding the Fourth Proportional to 7,109.06, 9,810.59 and 4,125.02

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Solution

The fourth proportional to 7,109.06, 9,810.59 and 4,125.02 is: 5,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.06 : 9,810.59 = 4,125.02 : x
  2. Step 2: Convert to fraction form
    7,109.06/9,810.59 = 4,125.02/x
  3. Step 3: Cross multiply
    7,109.06x = 9,810.59 × 4,125.02
  4. Step 4: Simplify right side
    7,109.06x = 40,468,810.28
  5. Step 5: Solve for x
    x = 40,468,810.28/7,109.06
  6. Step 6: Final answer
    x = 5,692.57

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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.