Home / 9,840.49-14,756.88-4,290.03

Finding the Fourth Proportional to 9,840.49, 14,756.88 and 4,290.03

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Solution

The fourth proportional to 9,840.49, 14,756.88 and 4,290.03 is: 6,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.49 : 14,756.88 = 4,290.03 : x
  2. Step 2: Convert to fraction form
    9,840.49/14,756.88 = 4,290.03/x
  3. Step 3: Cross multiply
    9,840.49x = 14,756.88 × 4,290.03
  4. Step 4: Simplify right side
    9,840.49x = 63,307,457.91
  5. Step 5: Solve for x
    x = 63,307,457.91/9,840.49
  6. Step 6: Final answer
    x = 6,433.37

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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.