Home / 6,470.07-8,931.50-4,082.19

Finding the Fourth Proportional to 6,470.07, 8,931.50 and 4,082.19

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Solution

The fourth proportional to 6,470.07, 8,931.50 and 4,082.19 is: 5,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.07 : 8,931.50 = 4,082.19 : x
  2. Step 2: Convert to fraction form
    6,470.07/8,931.50 = 4,082.19/x
  3. Step 3: Cross multiply
    6,470.07x = 8,931.50 × 4,082.19
  4. Step 4: Simplify right side
    6,470.07x = 36,460,079.99
  5. Step 5: Solve for x
    x = 36,460,079.99/6,470.07
  6. Step 6: Final answer
    x = 5,635.19

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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.