Home / 7,814.65-10,785.18-4,458.19

Finding the Fourth Proportional to 7,814.65, 10,785.18 and 4,458.19

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Solution

The fourth proportional to 7,814.65, 10,785.18 and 4,458.19 is: 6,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.65 : 10,785.18 = 4,458.19 : x
  2. Step 2: Convert to fraction form
    7,814.65/10,785.18 = 4,458.19/x
  3. Step 3: Cross multiply
    7,814.65x = 10,785.18 × 4,458.19
  4. Step 4: Simplify right side
    7,814.65x = 48,082,381.62
  5. Step 5: Solve for x
    x = 48,082,381.62/7,814.65
  6. Step 6: Final answer
    x = 6,152.85

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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.