Home / 9,038.45-12,464.30-7,048.28

Finding the Fourth Proportional to 9,038.45, 12,464.30 and 7,048.28

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Solution

The fourth proportional to 9,038.45, 12,464.30 and 7,048.28 is: 9,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.45 : 12,464.30 = 7,048.28 : x
  2. Step 2: Convert to fraction form
    9,038.45/12,464.30 = 7,048.28/x
  3. Step 3: Cross multiply
    9,038.45x = 12,464.30 × 7,048.28
  4. Step 4: Simplify right side
    9,038.45x = 87,851,810.00
  5. Step 5: Solve for x
    x = 87,851,810.00/9,038.45
  6. Step 6: Final answer
    x = 9,719.79

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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.