Home / 5,509.56-8,260.67-1,810.47

Finding the Fourth Proportional to 5,509.56, 8,260.67 and 1,810.47

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Solution

The fourth proportional to 5,509.56, 8,260.67 and 1,810.47 is: 2,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.56 : 8,260.67 = 1,810.47 : x
  2. Step 2: Convert to fraction form
    5,509.56/8,260.67 = 1,810.47/x
  3. Step 3: Cross multiply
    5,509.56x = 8,260.67 × 1,810.47
  4. Step 4: Simplify right side
    5,509.56x = 14,955,686.16
  5. Step 5: Solve for x
    x = 14,955,686.16/5,509.56
  6. Step 6: Final answer
    x = 2,714.50

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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.