Home / 9,415.50-14,124.06-2,490

Finding the Fourth Proportional to 9,415.50, 14,124.06 and 2,490

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Solution

The fourth proportional to 9,415.50, 14,124.06 and 2,490 is: 3,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.50 : 14,124.06 = 2,490 : x
  2. Step 2: Convert to fraction form
    9,415.50/14,124.06 = 2,490/x
  3. Step 3: Cross multiply
    9,415.50x = 14,124.06 × 2,490
  4. Step 4: Simplify right side
    9,415.50x = 35,168,909.40
  5. Step 5: Solve for x
    x = 35,168,909.40/9,415.50
  6. Step 6: Final answer
    x = 3,735.21

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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.