Home / 4,086.18-6,130.22-1,313.28

Finding the Fourth Proportional to 4,086.18, 6,130.22 and 1,313.28

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Solution

The fourth proportional to 4,086.18, 6,130.22 and 1,313.28 is: 1,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.18 : 6,130.22 = 1,313.28 : x
  2. Step 2: Convert to fraction form
    4,086.18/6,130.22 = 1,313.28/x
  3. Step 3: Cross multiply
    4,086.18x = 6,130.22 × 1,313.28
  4. Step 4: Simplify right side
    4,086.18x = 8,050,688.76
  5. Step 5: Solve for x
    x = 8,050,688.76/4,086.18
  6. Step 6: Final answer
    x = 1,970.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.