Home / 7,868.10-10,858.01-4,510.99

Finding the Fourth Proportional to 7,868.10, 10,858.01 and 4,510.99

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Solution

The fourth proportional to 7,868.10, 10,858.01 and 4,510.99 is: 6,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.10 : 10,858.01 = 4,510.99 : x
  2. Step 2: Convert to fraction form
    7,868.10/10,858.01 = 4,510.99/x
  3. Step 3: Cross multiply
    7,868.10x = 10,858.01 × 4,510.99
  4. Step 4: Simplify right side
    7,868.10x = 48,980,374.53
  5. Step 5: Solve for x
    x = 48,980,374.53/7,868.10
  6. Step 6: Final answer
    x = 6,225.18

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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.