Home / 7,437.36-10,263.12-4,079.76

Finding the Fourth Proportional to 7,437.36, 10,263.12 and 4,079.76

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Solution

The fourth proportional to 7,437.36, 10,263.12 and 4,079.76 is: 5,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.36 : 10,263.12 = 4,079.76 : x
  2. Step 2: Convert to fraction form
    7,437.36/10,263.12 = 4,079.76/x
  3. Step 3: Cross multiply
    7,437.36x = 10,263.12 × 4,079.76
  4. Step 4: Simplify right side
    7,437.36x = 41,871,066.45
  5. Step 5: Solve for x
    x = 41,871,066.45/7,437.36
  6. Step 6: Final answer
    x = 5,629.83

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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.