Home / 7,548.34-10,416.40-4,191.30

Finding the Fourth Proportional to 7,548.34, 10,416.40 and 4,191.30

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Solution

The fourth proportional to 7,548.34, 10,416.40 and 4,191.30 is: 5,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.34 : 10,416.40 = 4,191.30 : x
  2. Step 2: Convert to fraction form
    7,548.34/10,416.40 = 4,191.30/x
  3. Step 3: Cross multiply
    7,548.34x = 10,416.40 × 4,191.30
  4. Step 4: Simplify right side
    7,548.34x = 43,658,257.32
  5. Step 5: Solve for x
    x = 43,658,257.32/7,548.34
  6. Step 6: Final answer
    x = 5,783.82

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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.