Home / 9,378.79-14,068.28-2,805.03

Finding the Fourth Proportional to 9,378.79, 14,068.28 and 2,805.03

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Solution

The fourth proportional to 9,378.79, 14,068.28 and 2,805.03 is: 4,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.79 : 14,068.28 = 2,805.03 : x
  2. Step 2: Convert to fraction form
    9,378.79/14,068.28 = 2,805.03/x
  3. Step 3: Cross multiply
    9,378.79x = 14,068.28 × 2,805.03
  4. Step 4: Simplify right side
    9,378.79x = 39,461,954.46
  5. Step 5: Solve for x
    x = 39,461,954.46/9,378.79
  6. Step 6: Final answer
    x = 4,207.58

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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.