Home / 7,374.80-10,173.65-4,389.54

Finding the Fourth Proportional to 7,374.80, 10,173.65 and 4,389.54

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Solution

The fourth proportional to 7,374.80, 10,173.65 and 4,389.54 is: 6,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.80 : 10,173.65 = 4,389.54 : x
  2. Step 2: Convert to fraction form
    7,374.80/10,173.65 = 4,389.54/x
  3. Step 3: Cross multiply
    7,374.80x = 10,173.65 × 4,389.54
  4. Step 4: Simplify right side
    7,374.80x = 44,657,621.67
  5. Step 5: Solve for x
    x = 44,657,621.67/7,374.80
  6. Step 6: Final answer
    x = 6,055.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.