Home / 7,408.02-11,054.70-6,619.46

Finding the Fourth Proportional to 7,408.02, 11,054.70 and 6,619.46

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Solution

The fourth proportional to 7,408.02, 11,054.70 and 6,619.46 is: 9,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.02 : 11,054.70 = 6,619.46 : x
  2. Step 2: Convert to fraction form
    7,408.02/11,054.70 = 6,619.46/x
  3. Step 3: Cross multiply
    7,408.02x = 11,054.70 × 6,619.46
  4. Step 4: Simplify right side
    7,408.02x = 73,176,144.46
  5. Step 5: Solve for x
    x = 73,176,144.46/7,408.02
  6. Step 6: Final answer
    x = 9,877.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.