Home / 7,018.60-9,686.33-4,036.18

Finding the Fourth Proportional to 7,018.60, 9,686.33 and 4,036.18

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Solution

The fourth proportional to 7,018.60, 9,686.33 and 4,036.18 is: 5,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.60 : 9,686.33 = 4,036.18 : x
  2. Step 2: Convert to fraction form
    7,018.60/9,686.33 = 4,036.18/x
  3. Step 3: Cross multiply
    7,018.60x = 9,686.33 × 4,036.18
  4. Step 4: Simplify right side
    7,018.60x = 39,095,771.42
  5. Step 5: Solve for x
    x = 39,095,771.42/7,018.60
  6. Step 6: Final answer
    x = 5,570.31

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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.