Home / 5,316.93-7,970.67-2,681.01

Finding the Fourth Proportional to 5,316.93, 7,970.67 and 2,681.01

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Solution

The fourth proportional to 5,316.93, 7,970.67 and 2,681.01 is: 4,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.93 : 7,970.67 = 2,681.01 : x
  2. Step 2: Convert to fraction form
    5,316.93/7,970.67 = 2,681.01/x
  3. Step 3: Cross multiply
    5,316.93x = 7,970.67 × 2,681.01
  4. Step 4: Simplify right side
    5,316.93x = 21,369,445.98
  5. Step 5: Solve for x
    x = 21,369,445.98/5,316.93
  6. Step 6: Final answer
    x = 4,019.13

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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.