Home / 5,210.40-7,814.36-1,511.66

Finding the Fourth Proportional to 5,210.40, 7,814.36 and 1,511.66

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Solution

The fourth proportional to 5,210.40, 7,814.36 and 1,511.66 is: 2,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.40 : 7,814.36 = 1,511.66 : x
  2. Step 2: Convert to fraction form
    5,210.40/7,814.36 = 1,511.66/x
  3. Step 3: Cross multiply
    5,210.40x = 7,814.36 × 1,511.66
  4. Step 4: Simplify right side
    5,210.40x = 11,812,655.44
  5. Step 5: Solve for x
    x = 11,812,655.44/5,210.40
  6. Step 6: Final answer
    x = 2,267.13

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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.