Home / 6,812.64-10,219.39-1,814.93

Finding the Fourth Proportional to 6,812.64, 10,219.39 and 1,814.93

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Solution

The fourth proportional to 6,812.64, 10,219.39 and 1,814.93 is: 2,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.64 : 10,219.39 = 1,814.93 : x
  2. Step 2: Convert to fraction form
    6,812.64/10,219.39 = 1,814.93/x
  3. Step 3: Cross multiply
    6,812.64x = 10,219.39 × 1,814.93
  4. Step 4: Simplify right side
    6,812.64x = 18,547,421.86
  5. Step 5: Solve for x
    x = 18,547,421.86/6,812.64
  6. Step 6: Final answer
    x = 2,722.50

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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.