Home / 7,402.28-10,210.37-4,415.81

Finding the Fourth Proportional to 7,402.28, 10,210.37 and 4,415.81

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Solution

The fourth proportional to 7,402.28, 10,210.37 and 4,415.81 is: 6,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.28 : 10,210.37 = 4,415.81 : x
  2. Step 2: Convert to fraction form
    7,402.28/10,210.37 = 4,415.81/x
  3. Step 3: Cross multiply
    7,402.28x = 10,210.37 × 4,415.81
  4. Step 4: Simplify right side
    7,402.28x = 45,087,090.52
  5. Step 5: Solve for x
    x = 45,087,090.52/7,402.28
  6. Step 6: Final answer
    x = 6,090.97

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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.