Home / 7,553.40-10,427.48-4,722.35

Finding the Fourth Proportional to 7,553.40, 10,427.48 and 4,722.35

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Solution

The fourth proportional to 7,553.40, 10,427.48 and 4,722.35 is: 6,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.40 : 10,427.48 = 4,722.35 : x
  2. Step 2: Convert to fraction form
    7,553.40/10,427.48 = 4,722.35/x
  3. Step 3: Cross multiply
    7,553.40x = 10,427.48 × 4,722.35
  4. Step 4: Simplify right side
    7,553.40x = 49,242,210.18
  5. Step 5: Solve for x
    x = 49,242,210.18/7,553.40
  6. Step 6: Final answer
    x = 6,519.21

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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.