Home / 5,509.10-8,264.55-1,810.50

Finding the Fourth Proportional to 5,509.10, 8,264.55 and 1,810.50

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Solution

The fourth proportional to 5,509.10, 8,264.55 and 1,810.50 is: 2,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.10 : 8,264.55 = 1,810.50 : x
  2. Step 2: Convert to fraction form
    5,509.10/8,264.55 = 1,810.50/x
  3. Step 3: Cross multiply
    5,509.10x = 8,264.55 × 1,810.50
  4. Step 4: Simplify right side
    5,509.10x = 14,962,967.78
  5. Step 5: Solve for x
    x = 14,962,967.78/5,509.10
  6. Step 6: Final answer
    x = 2,716.05

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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.