Home / 6,071.20-9,106.49-1,688.70

Finding the Fourth Proportional to 6,071.20, 9,106.49 and 1,688.70

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Solution

The fourth proportional to 6,071.20, 9,106.49 and 1,688.70 is: 2,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.20 : 9,106.49 = 1,688.70 : x
  2. Step 2: Convert to fraction form
    6,071.20/9,106.49 = 1,688.70/x
  3. Step 3: Cross multiply
    6,071.20x = 9,106.49 × 1,688.70
  4. Step 4: Simplify right side
    6,071.20x = 15,378,075.69
  5. Step 5: Solve for x
    x = 15,378,075.69/6,071.20
  6. Step 6: Final answer
    x = 2,532.95

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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.