Home / 6,618.35-9,927.59-1,688.03

Finding the Fourth Proportional to 6,618.35, 9,927.59 and 1,688.03

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Solution

The fourth proportional to 6,618.35, 9,927.59 and 1,688.03 is: 2,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.35 : 9,927.59 = 1,688.03 : x
  2. Step 2: Convert to fraction form
    6,618.35/9,927.59 = 1,688.03/x
  3. Step 3: Cross multiply
    6,618.35x = 9,927.59 × 1,688.03
  4. Step 4: Simplify right side
    6,618.35x = 16,758,069.75
  5. Step 5: Solve for x
    x = 16,758,069.75/6,618.35
  6. Step 6: Final answer
    x = 2,532.06

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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.