Home / 6,457.98-9,686.63-2,075.10

Finding the Fourth Proportional to 6,457.98, 9,686.63 and 2,075.10

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Solution

The fourth proportional to 6,457.98, 9,686.63 and 2,075.10 is: 3,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.98 : 9,686.63 = 2,075.10 : x
  2. Step 2: Convert to fraction form
    6,457.98/9,686.63 = 2,075.10/x
  3. Step 3: Cross multiply
    6,457.98x = 9,686.63 × 2,075.10
  4. Step 4: Simplify right side
    6,457.98x = 20,100,686.99
  5. Step 5: Solve for x
    x = 20,100,686.99/6,457.98
  6. Step 6: Final answer
    x = 3,112.53

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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.