Home / 9,108.29-12,570.09-5,075.45

Finding the Fourth Proportional to 9,108.29, 12,570.09 and 5,075.45

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Solution

The fourth proportional to 9,108.29, 12,570.09 and 5,075.45 is: 7,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.29 : 12,570.09 = 5,075.45 : x
  2. Step 2: Convert to fraction form
    9,108.29/12,570.09 = 5,075.45/x
  3. Step 3: Cross multiply
    9,108.29x = 12,570.09 × 5,075.45
  4. Step 4: Simplify right side
    9,108.29x = 63,798,863.29
  5. Step 5: Solve for x
    x = 63,798,863.29/9,108.29
  6. Step 6: Final answer
    x = 7,004.48

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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.