Home / 7,349.32-10,142.58-4,205.80

Finding the Fourth Proportional to 7,349.32, 10,142.58 and 4,205.80

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Solution

The fourth proportional to 7,349.32, 10,142.58 and 4,205.80 is: 5,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.32 : 10,142.58 = 4,205.80 : x
  2. Step 2: Convert to fraction form
    7,349.32/10,142.58 = 4,205.80/x
  3. Step 3: Cross multiply
    7,349.32x = 10,142.58 × 4,205.80
  4. Step 4: Simplify right side
    7,349.32x = 42,657,662.96
  5. Step 5: Solve for x
    x = 42,657,662.96/7,349.32
  6. Step 6: Final answer
    x = 5,804.30

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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.