Home / 7,019.01-9,686.16-3,875.13

Finding the Fourth Proportional to 7,019.01, 9,686.16 and 3,875.13

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Solution

The fourth proportional to 7,019.01, 9,686.16 and 3,875.13 is: 5,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.01 : 9,686.16 = 3,875.13 : x
  2. Step 2: Convert to fraction form
    7,019.01/9,686.16 = 3,875.13/x
  3. Step 3: Cross multiply
    7,019.01x = 9,686.16 × 3,875.13
  4. Step 4: Simplify right side
    7,019.01x = 37,535,129.20
  5. Step 5: Solve for x
    x = 37,535,129.20/7,019.01
  6. Step 6: Final answer
    x = 5,347.64

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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.