Home / 4,678.16-6,448.41-3,681.86

Finding the Fourth Proportional to 4,678.16, 6,448.41 and 3,681.86

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Solution

The fourth proportional to 4,678.16, 6,448.41 and 3,681.86 is: 5,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.16 : 6,448.41 = 3,681.86 : x
  2. Step 2: Convert to fraction form
    4,678.16/6,448.41 = 3,681.86/x
  3. Step 3: Cross multiply
    4,678.16x = 6,448.41 × 3,681.86
  4. Step 4: Simplify right side
    4,678.16x = 23,742,110.60
  5. Step 5: Solve for x
    x = 23,742,110.60/4,678.16
  6. Step 6: Final answer
    x = 5,075.10

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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.