Home / 6,513.51-8,988.57-3,529.31

Finding the Fourth Proportional to 6,513.51, 8,988.57 and 3,529.31

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Solution

The fourth proportional to 6,513.51, 8,988.57 and 3,529.31 is: 4,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.51 : 8,988.57 = 3,529.31 : x
  2. Step 2: Convert to fraction form
    6,513.51/8,988.57 = 3,529.31/x
  3. Step 3: Cross multiply
    6,513.51x = 8,988.57 × 3,529.31
  4. Step 4: Simplify right side
    6,513.51x = 31,723,405.04
  5. Step 5: Solve for x
    x = 31,723,405.04/6,513.51
  6. Step 6: Final answer
    x = 4,870.40

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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.