Home / 5,206.83-7,811.46-1,509.14

Finding the Fourth Proportional to 5,206.83, 7,811.46 and 1,509.14

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Solution

The fourth proportional to 5,206.83, 7,811.46 and 1,509.14 is: 2,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.83 : 7,811.46 = 1,509.14 : x
  2. Step 2: Convert to fraction form
    5,206.83/7,811.46 = 1,509.14/x
  3. Step 3: Cross multiply
    5,206.83x = 7,811.46 × 1,509.14
  4. Step 4: Simplify right side
    5,206.83x = 11,788,547.69
  5. Step 5: Solve for x
    x = 11,788,547.69/5,206.83
  6. Step 6: Final answer
    x = 2,264.05

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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.