Home / 7,104.16-9,803.05-4,120.19

Finding the Fourth Proportional to 7,104.16, 9,803.05 and 4,120.19

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Solution

The fourth proportional to 7,104.16, 9,803.05 and 4,120.19 is: 5,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.16 : 9,803.05 = 4,120.19 : x
  2. Step 2: Convert to fraction form
    7,104.16/9,803.05 = 4,120.19/x
  3. Step 3: Cross multiply
    7,104.16x = 9,803.05 × 4,120.19
  4. Step 4: Simplify right side
    7,104.16x = 40,390,428.58
  5. Step 5: Solve for x
    x = 40,390,428.58/7,104.16
  6. Step 6: Final answer
    x = 5,685.46

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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.