Home / 8,990.94-13,485.68-2,417.10

Finding the Fourth Proportional to 8,990.94, 13,485.68 and 2,417.10

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Solution

The fourth proportional to 8,990.94, 13,485.68 and 2,417.10 is: 3,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.94 : 13,485.68 = 2,417.10 : x
  2. Step 2: Convert to fraction form
    8,990.94/13,485.68 = 2,417.10/x
  3. Step 3: Cross multiply
    8,990.94x = 13,485.68 × 2,417.10
  4. Step 4: Simplify right side
    8,990.94x = 32,596,237.13
  5. Step 5: Solve for x
    x = 32,596,237.13/8,990.94
  6. Step 6: Final answer
    x = 3,625.45

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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.