Home / 10,426.84-15,645.40-4,880.56

Finding the Fourth Proportional to 10,426.84, 15,645.40 and 4,880.56

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Solution

The fourth proportional to 10,426.84, 15,645.40 and 4,880.56 is: 7,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.84 : 15,645.40 = 4,880.56 : x
  2. Step 2: Convert to fraction form
    10,426.84/15,645.40 = 4,880.56/x
  3. Step 3: Cross multiply
    10,426.84x = 15,645.40 × 4,880.56
  4. Step 4: Simplify right side
    10,426.84x = 76,358,313.42
  5. Step 5: Solve for x
    x = 76,358,313.42/10,426.84
  6. Step 6: Final answer
    x = 7,323.25

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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.