Home / 9,312.84-13,970.22-2,985.49

Finding the Fourth Proportional to 9,312.84, 13,970.22 and 2,985.49

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Solution

The fourth proportional to 9,312.84, 13,970.22 and 2,985.49 is: 4,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.84 : 13,970.22 = 2,985.49 : x
  2. Step 2: Convert to fraction form
    9,312.84/13,970.22 = 2,985.49/x
  3. Step 3: Cross multiply
    9,312.84x = 13,970.22 × 2,985.49
  4. Step 4: Simplify right side
    9,312.84x = 41,707,952.11
  5. Step 5: Solve for x
    x = 41,707,952.11/9,312.84
  6. Step 6: Final answer
    x = 4,478.54

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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.