Home / 9,767.40-14,639.86-4,840.28

Finding the Fourth Proportional to 9,767.40, 14,639.86 and 4,840.28

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Solution

The fourth proportional to 9,767.40, 14,639.86 and 4,840.28 is: 7,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.40 : 14,639.86 = 4,840.28 : x
  2. Step 2: Convert to fraction form
    9,767.40/14,639.86 = 4,840.28/x
  3. Step 3: Cross multiply
    9,767.40x = 14,639.86 × 4,840.28
  4. Step 4: Simplify right side
    9,767.40x = 70,860,936.26
  5. Step 5: Solve for x
    x = 70,860,936.26/9,767.40
  6. Step 6: Final answer
    x = 7,254.84

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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.