Home / 5,386.95-8,080.61-1,491.03

Finding the Fourth Proportional to 5,386.95, 8,080.61 and 1,491.03

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Solution

The fourth proportional to 5,386.95, 8,080.61 and 1,491.03 is: 2,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.95 : 8,080.61 = 1,491.03 : x
  2. Step 2: Convert to fraction form
    5,386.95/8,080.61 = 1,491.03/x
  3. Step 3: Cross multiply
    5,386.95x = 8,080.61 × 1,491.03
  4. Step 4: Simplify right side
    5,386.95x = 12,048,424.47
  5. Step 5: Solve for x
    x = 12,048,424.47/5,386.95
  6. Step 6: Final answer
    x = 2,236.59

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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.