Home / 4,427.04-6,639.65-1,653.20

Finding the Fourth Proportional to 4,427.04, 6,639.65 and 1,653.20

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Solution

The fourth proportional to 4,427.04, 6,639.65 and 1,653.20 is: 2,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.04 : 6,639.65 = 1,653.20 : x
  2. Step 2: Convert to fraction form
    4,427.04/6,639.65 = 1,653.20/x
  3. Step 3: Cross multiply
    4,427.04x = 6,639.65 × 1,653.20
  4. Step 4: Simplify right side
    4,427.04x = 10,976,669.38
  5. Step 5: Solve for x
    x = 10,976,669.38/4,427.04
  6. Step 6: Final answer
    x = 2,479.46

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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.