Home / 7,020-10,531.62-2,403

Finding the Fourth Proportional to 7,020, 10,531.62 and 2,403

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Solution

The fourth proportional to 7,020, 10,531.62 and 2,403 is: 3,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020 : 10,531.62 = 2,403 : x
  2. Step 2: Convert to fraction form
    7,020/10,531.62 = 2,403/x
  3. Step 3: Cross multiply
    7,020x = 10,531.62 × 2,403
  4. Step 4: Simplify right side
    7,020x = 25,307,482.86
  5. Step 5: Solve for x
    x = 25,307,482.86/7,020
  6. Step 6: Final answer
    x = 3,605.05

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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.