Home / 7,559.51-10,428.50-6,509.75

Finding the Fourth Proportional to 7,559.51, 10,428.50 and 6,509.75

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Solution

The fourth proportional to 7,559.51, 10,428.50 and 6,509.75 is: 8,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.51 : 10,428.50 = 6,509.75 : x
  2. Step 2: Convert to fraction form
    7,559.51/10,428.50 = 6,509.75/x
  3. Step 3: Cross multiply
    7,559.51x = 10,428.50 × 6,509.75
  4. Step 4: Simplify right side
    7,559.51x = 67,886,895.33
  5. Step 5: Solve for x
    x = 67,886,895.33/7,559.51
  6. Step 6: Final answer
    x = 8,980.33

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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.