Home / 9,070.07-13,602.21-2,912.63

Finding the Fourth Proportional to 9,070.07, 13,602.21 and 2,912.63

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Solution

The fourth proportional to 9,070.07, 13,602.21 and 2,912.63 is: 4,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.07 : 13,602.21 = 2,912.63 : x
  2. Step 2: Convert to fraction form
    9,070.07/13,602.21 = 2,912.63/x
  3. Step 3: Cross multiply
    9,070.07x = 13,602.21 × 2,912.63
  4. Step 4: Simplify right side
    9,070.07x = 39,618,136.90
  5. Step 5: Solve for x
    x = 39,618,136.90/9,070.07
  6. Step 6: Final answer
    x = 4,368.01

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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.