Home / 5,259.95-7,888.57-1,561.30

Finding the Fourth Proportional to 5,259.95, 7,888.57 and 1,561.30

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Solution

The fourth proportional to 5,259.95, 7,888.57 and 1,561.30 is: 2,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.95 : 7,888.57 = 1,561.30 : x
  2. Step 2: Convert to fraction form
    5,259.95/7,888.57 = 1,561.30/x
  3. Step 3: Cross multiply
    5,259.95x = 7,888.57 × 1,561.30
  4. Step 4: Simplify right side
    5,259.95x = 12,316,424.34
  5. Step 5: Solve for x
    x = 12,316,424.34/5,259.95
  6. Step 6: Final answer
    x = 2,341.55

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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.