Home / 4,888.84-7,333.28-1,426.36

Finding the Fourth Proportional to 4,888.84, 7,333.28 and 1,426.36

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Solution

The fourth proportional to 4,888.84, 7,333.28 and 1,426.36 is: 2,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.84 : 7,333.28 = 1,426.36 : x
  2. Step 2: Convert to fraction form
    4,888.84/7,333.28 = 1,426.36/x
  3. Step 3: Cross multiply
    4,888.84x = 7,333.28 × 1,426.36
  4. Step 4: Simplify right side
    4,888.84x = 10,459,897.26
  5. Step 5: Solve for x
    x = 10,459,897.26/4,888.84
  6. Step 6: Final answer
    x = 2,139.55

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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.