Home / 5,246.40-7,864.74-2,646.32

Finding the Fourth Proportional to 5,246.40, 7,864.74 and 2,646.32

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Solution

The fourth proportional to 5,246.40, 7,864.74 and 2,646.32 is: 3,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.40 : 7,864.74 = 2,646.32 : x
  2. Step 2: Convert to fraction form
    5,246.40/7,864.74 = 2,646.32/x
  3. Step 3: Cross multiply
    5,246.40x = 7,864.74 × 2,646.32
  4. Step 4: Simplify right side
    5,246.40x = 20,812,618.76
  5. Step 5: Solve for x
    x = 20,812,618.76/5,246.40
  6. Step 6: Final answer
    x = 3,967.03

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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.