Home / 5,011.20-7,518.06-2,547.36

Finding the Fourth Proportional to 5,011.20, 7,518.06 and 2,547.36

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Solution

The fourth proportional to 5,011.20, 7,518.06 and 2,547.36 is: 3,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.20 : 7,518.06 = 2,547.36 : x
  2. Step 2: Convert to fraction form
    5,011.20/7,518.06 = 2,547.36/x
  3. Step 3: Cross multiply
    5,011.20x = 7,518.06 × 2,547.36
  4. Step 4: Simplify right side
    5,011.20x = 19,151,205.32
  5. Step 5: Solve for x
    x = 19,151,205.32/5,011.20
  6. Step 6: Final answer
    x = 3,821.68

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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.