Home / 4,426.01-6,639.02-1,139.11

Finding the Fourth Proportional to 4,426.01, 6,639.02 and 1,139.11

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Solution

The fourth proportional to 4,426.01, 6,639.02 and 1,139.11 is: 1,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.01 : 6,639.02 = 1,139.11 : x
  2. Step 2: Convert to fraction form
    4,426.01/6,639.02 = 1,139.11/x
  3. Step 3: Cross multiply
    4,426.01x = 6,639.02 × 1,139.11
  4. Step 4: Simplify right side
    4,426.01x = 7,562,574.07
  5. Step 5: Solve for x
    x = 7,562,574.07/4,426.01
  6. Step 6: Final answer
    x = 1,708.67

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Double scale
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Similar ratio
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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.