Home / 6,459.23-9,686.57-2,075.21

Finding the Fourth Proportional to 6,459.23, 9,686.57 and 2,075.21

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Solution

The fourth proportional to 6,459.23, 9,686.57 and 2,075.21 is: 3,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.23 : 9,686.57 = 2,075.21 : x
  2. Step 2: Convert to fraction form
    6,459.23/9,686.57 = 2,075.21/x
  3. Step 3: Cross multiply
    6,459.23x = 9,686.57 × 2,075.21
  4. Step 4: Simplify right side
    6,459.23x = 20,101,632.34
  5. Step 5: Solve for x
    x = 20,101,632.34/6,459.23
  6. Step 6: Final answer
    x = 3,112.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.