Home / 8,535.15-12,804.08-2,988.36

Finding the Fourth Proportional to 8,535.15, 12,804.08 and 2,988.36

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Solution

The fourth proportional to 8,535.15, 12,804.08 and 2,988.36 is: 4,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.15 : 12,804.08 = 2,988.36 : x
  2. Step 2: Convert to fraction form
    8,535.15/12,804.08 = 2,988.36/x
  3. Step 3: Cross multiply
    8,535.15x = 12,804.08 × 2,988.36
  4. Step 4: Simplify right side
    8,535.15x = 38,263,200.51
  5. Step 5: Solve for x
    x = 38,263,200.51/8,535.15
  6. Step 6: Final answer
    x = 4,483.01

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1.5x scale

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.