Home / 7,030.22-10,545.10-2,870.26

Finding the Fourth Proportional to 7,030.22, 10,545.10 and 2,870.26

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Solution

The fourth proportional to 7,030.22, 10,545.10 and 2,870.26 is: 4,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.22 : 10,545.10 = 2,870.26 : x
  2. Step 2: Convert to fraction form
    7,030.22/10,545.10 = 2,870.26/x
  3. Step 3: Cross multiply
    7,030.22x = 10,545.10 × 2,870.26
  4. Step 4: Simplify right side
    7,030.22x = 30,267,220.65
  5. Step 5: Solve for x
    x = 30,267,220.65/7,030.22
  6. Step 6: Final answer
    x = 4,305.31

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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.