Home / 7,643.36-10,554.10-4,815.25

Finding the Fourth Proportional to 7,643.36, 10,554.10 and 4,815.25

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Solution

The fourth proportional to 7,643.36, 10,554.10 and 4,815.25 is: 6,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.36 : 10,554.10 = 4,815.25 : x
  2. Step 2: Convert to fraction form
    7,643.36/10,554.10 = 4,815.25/x
  3. Step 3: Cross multiply
    7,643.36x = 10,554.10 × 4,815.25
  4. Step 4: Simplify right side
    7,643.36x = 50,820,591.60
  5. Step 5: Solve for x
    x = 50,820,591.60/7,643.36
  6. Step 6: Final answer
    x = 6,648.98

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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.