Home / 7,030.21-10,545.31-1,836.08

Finding the Fourth Proportional to 7,030.21, 10,545.31 and 1,836.08

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Solution

The fourth proportional to 7,030.21, 10,545.31 and 1,836.08 is: 2,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.21 : 10,545.31 = 1,836.08 : x
  2. Step 2: Convert to fraction form
    7,030.21/10,545.31 = 1,836.08/x
  3. Step 3: Cross multiply
    7,030.21x = 10,545.31 × 1,836.08
  4. Step 4: Simplify right side
    7,030.21x = 19,362,032.78
  5. Step 5: Solve for x
    x = 19,362,032.78/7,030.21
  6. Step 6: Final answer
    x = 2,754.12

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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.