Home / 8,532.96-12,802.80-2,690.40

Finding the Fourth Proportional to 8,532.96, 12,802.80 and 2,690.40

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Solution

The fourth proportional to 8,532.96, 12,802.80 and 2,690.40 is: 4,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.96 : 12,802.80 = 2,690.40 : x
  2. Step 2: Convert to fraction form
    8,532.96/12,802.80 = 2,690.40/x
  3. Step 3: Cross multiply
    8,532.96x = 12,802.80 × 2,690.40
  4. Step 4: Simplify right side
    8,532.96x = 34,444,653.12
  5. Step 5: Solve for x
    x = 34,444,653.12/8,532.96
  6. Step 6: Final answer
    x = 4,036.66

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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.