Home / 7,075.13-9,762.91-4,090.52

Finding the Fourth Proportional to 7,075.13, 9,762.91 and 4,090.52

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Solution

The fourth proportional to 7,075.13, 9,762.91 and 4,090.52 is: 5,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.13 : 9,762.91 = 4,090.52 : x
  2. Step 2: Convert to fraction form
    7,075.13/9,762.91 = 4,090.52/x
  3. Step 3: Cross multiply
    7,075.13x = 9,762.91 × 4,090.52
  4. Step 4: Simplify right side
    7,075.13x = 39,935,319.57
  5. Step 5: Solve for x
    x = 39,935,319.57/7,075.13
  6. Step 6: Final answer
    x = 5,644.46

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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.