Home / 7,985.08-11,019.53-4,628.13

Finding the Fourth Proportional to 7,985.08, 11,019.53 and 4,628.13

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Solution

The fourth proportional to 7,985.08, 11,019.53 and 4,628.13 is: 6,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.08 : 11,019.53 = 4,628.13 : x
  2. Step 2: Convert to fraction form
    7,985.08/11,019.53 = 4,628.13/x
  3. Step 3: Cross multiply
    7,985.08x = 11,019.53 × 4,628.13
  4. Step 4: Simplify right side
    7,985.08x = 50,999,817.38
  5. Step 5: Solve for x
    x = 50,999,817.38/7,985.08
  6. Step 6: Final answer
    x = 6,386.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.