Home / 6,948.64-10,428.21-5,384.83

Finding the Fourth Proportional to 6,948.64, 10,428.21 and 5,384.83

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Solution

The fourth proportional to 6,948.64, 10,428.21 and 5,384.83 is: 8,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.64 : 10,428.21 = 5,384.83 : x
  2. Step 2: Convert to fraction form
    6,948.64/10,428.21 = 5,384.83/x
  3. Step 3: Cross multiply
    6,948.64x = 10,428.21 × 5,384.83
  4. Step 4: Simplify right side
    6,948.64x = 56,154,138.05
  5. Step 5: Solve for x
    x = 56,154,138.05/6,948.64
  6. Step 6: Final answer
    x = 8,081.31

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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.