Home / 7,856.99-11,762.09-5,075.55

Finding the Fourth Proportional to 7,856.99, 11,762.09 and 5,075.55

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Solution

The fourth proportional to 7,856.99, 11,762.09 and 5,075.55 is: 7,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.99 : 11,762.09 = 5,075.55 : x
  2. Step 2: Convert to fraction form
    7,856.99/11,762.09 = 5,075.55/x
  3. Step 3: Cross multiply
    7,856.99x = 11,762.09 × 5,075.55
  4. Step 4: Simplify right side
    7,856.99x = 59,699,075.90
  5. Step 5: Solve for x
    x = 59,699,075.90/7,856.99
  6. Step 6: Final answer
    x = 7,598.21

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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.